PubMed · 12387114
The source did not provide an abstract. Follow the original record for more information.
Explore connections, maps & timelines
Karen Kraco. 2002. Wisdom & wit.. https://pubmed.ncbi.nlm.nih.gov/12387114/
Cite the original work for its findings. Save a collection to share your selection of sources.
KEEP EXPLORING
Psychological distance to reward, or the segmentation effect, refers to the preference for a terminal link of a concurrent-chains schedule consisting of a simple reinforcement schedule (e.g. fixed interval [FI] 30s) relative to its chained-schedule counterpart (e.g. chained FI 15s FI 15s). This experiment was conducted to examine whether the segmentation effect is due to the number of terminal-link stimulus and response segments per se. Three pigeons pecked under a concurrent-chains schedule in which identical variable-interval (VI) schedules operated in the initial links. In each session, half the terminal-link entries followed one initial-link key and the other half followed the other initial-link key. The initial-link keys correlated with the different terminal links were manipulated across conditions. In the first three conditions, each terminal link contained a chained fixed-time (FT) FT schedule, and in the final three conditions, each terminal link contained a chained FI FI schedule. In each condition, in one terminal link (alternating), the order of two key colors correlated with the different schedule segments alternated across terminal-link entries, whereas in the other terminal link (constant), the order of two other key colors was identical for each entry. With the chained FT FT schedule terminal links, there was indifference between the alternating and constant terminal links within and across pigeons, as indexed by initial-link choice proportions. In addition, terminal-link response rates were relatively low. With the chained FI FI schedule terminal links, for each pigeon, there was relatively more preference for the alternating terminal link and terminal-link response rates increased relative to conditions with the chained FT FT schedule terminal links. These data suggest that the segmentation effect is not due simply to the number of terminal-link stimulus or response segments per se, but rather to a required period of responding during a stimulus segment that never is paired with reinforcement.
BACKGROUND: Low literacy is common in Hong Kong and China, especially among the females and the elderly. These are often the patients with the greatest health care needs. However little is known about how low literacy affects the ability of patients to obtain adequate medical care and comply with the recommendations of health professionals. METHODS: Qualitative study of subjects' opinions using semi-structured group and individual interviews. Thirty-six participants took part in 6 group and 9 individual interviews. RESULTS: Participants' opinions towards low literacy were explored in the interviews. They expressed diverse views on how they perceived low literacy. Some thought they were handicapped by it but others felt it was not a problem. Age, gender, chronic illnesses and their attitudes towards self were found to be major factors affecting their perception. Despite their low literacy, some had their specific ways to overcome the difficulties, for example, drawing symbols to help with the timing of taking the medications. Most of them felt better explanation by the health care workers was most important. CONCLUSIONS: It is highly relevant for health care workers to be aware of the low literacy status of their patients and to explain information so that patients understand it.
GOALS OF WORK: This study aimed to examine the correlation between quality of life (QOL) in cancer patients and that of their spouse caregivers and to identify factors that influence this correlation. PATIENTS AND METHODS: This cross-sectional study collected data from 121 cancer patient/spouse caregiver dyads. The Functional Assessment of Cancer Therapy Scale-General (FACT-G) was used to measure patients' QOL, and the Caregiver Quality of Life Index (CQLI) was used to measure spouse caregivers' QOL. Correlation coefficients between patients' and caregivers' QOL were computed for four dimensions of QOL, as well as a total score for QOL. Correlations between patients' and caregivers' total QOL scores were furthered analyzed by three groups of factors: disease-/treatment-related, caregiving-related, and relationship-related variables. MAIN RESULTS: Only the social/family and functional dimensions of patient QOL and total score for patient QOL were associated with each dimension of their caregivers' QOL and with the total score ( r=0.27-0.44). Physical and emotional dimensions of patients' QOL did not significantly influence spouse caregivers' QOL for any dimension nor for the total score. Factors influencing the association between patients' and caregivers' overall QOL included cancer diagnosis, length of hospitalization, caregiving intensity and duration, marital satisfaction, and caregiving self-esteem. CONCLUSIONS: Social and functional aspects of patients' QOL play a significant role in determining the QOL of their spouse caregivers. The strength of association between patients' and spouse caregivers' overall QOL can be moderated by some factors.